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c=7...........................................................
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Make a two-way table that includes the marginal frequencies, math homework help
1. You randomly survey people in the mall about whether or not they
regularly use text messaging. The results are shown ...
Make a two-way table that includes the marginal frequencies, math homework help
1. You randomly survey people in the mall about whether or not they
regularly use text messaging. The results are shown in the tally sheets
below based on the people’s ages.Link to the tally sheets: http://www.intervisualtechnology.us/data/1/16381/textregular.jpga. Make a two-way table that includes the marginal frequencies.b. Make a two-way table that shows both the joint and marginal relative frequencies. Round to the nearest hundredth, if necessary.c. What is the probability that someone who is between the ages of 20-29 also texts regularly?d. What is the probability that someone who is between the ages of 40-49 also texts regularly?e. Does the data show a relationship between age and texting? Explain.2. The data below represents the number of hits on your web site over 10 months.a. Make a scatter plot of ln y versus x. Use the scatter plot to find the equation for the line of best fit.b. Make a scatter plot of ln y versus ln x. Use the scatter plot to find the equation for the line of best fit.c. Based on your answers in part a and b, would an exponential model or a power model be better to represent this data? Explain.d. Use your answers from parts a and b to find an exponential model and a power model to represent this data by hand.e. Use the regression feature on your calculator to find an exponential model and a power model to represent this data.f. Use your answer from parts c and d to make the best estimate for the number of hits your web site will have in 12 months.
MATH 160 Cuyamaca College Distribution of Sample Proportions Exam Practice
Prompt The National Health Survey uses household interviews to describe the health-related habits of U.S. adults. From th ...
MATH 160 Cuyamaca College Distribution of Sample Proportions Exam Practice
Prompt The National Health Survey uses household interviews to describe the health-related habits of U.S. adults. From these interviews they estimate population parameters associated with behaviors such as alcohol consumption, cigarette smoking, and hours of sleep for all U.S. adults. In the 2005-2007 report, they estimated that 30% of all current smokers started smoking before the age of 16. Imagine that we want to verify this estimate. So we randomly select a sample of 100 smokers and calculate the proportion who started smoking before the age of 16. How much error do we expect in the sample proportions if the 30% is correct for the population overall? Use the applet and a give an error based on 2 standard deviations. Here's the applet for the simulation: P= 0.5 n= 50 Run Simulation (5000 samples) Actual Sample proportion (p̂): 0.5
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Brandman Level of Education and its Effect on Homelessness in Veterans Case Study
Hello, I need a paper on these 2 parts listed below . Notes from the professor Sociology – Level of Education and its Ef ...
Brandman Level of Education and its Effect on Homelessness in Veterans Case Study
Hello, I need a paper on these 2 parts listed below . Notes from the professor Sociology – Level of Education and its Effect on Homelessness in VeteransNOTES FROM MY PROFESSOR :-Use of APA (title page and reference page in APA) – double spacing in body of project-References included-Collection of Data Analyzed-Graphed data The paper will be about : At the very bottom, there is a picture attached with the graph info that was handed to us. Study #4: SociologyCalifornia Veteran Support, an agency delivering resources to support military veterans in California, wants to address the problem of veterans being homeless. To start, they want to determine whether or not there is a correlation between homelessness and other variables, such as education, crime, and mental illness, so that they can determine the most effective resources to offer. You are hired to specifically investigate whether or not there is a relationship between years of education, and length of time spent homeless.You receive a survey of responses from 31 homeless veterans from various cities in California. Each veteran responded to indicate how many months they have lived on the streets, as well as the grade they finished in school (one year of college would equal 13 years of school, 4 years of college would equal 16 years of school, and so on. Some veterans received a GED and had less than 12 years of formal education).Is there sufficient evidence to show that the years of education a veteran has received may affect the length of time that he or she is homeless? You are asked to organize and analyze this data, and present your results with a hypothesis test on whether or not there is a correlation between years of education and months spent homeless.Please present a report to the California Veteran Support directors that includes your data, results, and related evidence from national studies.Part 2: Organization of Data - Examination of Descriptive Statistics (graphs and tables, and approximately 4 paragraphs)Now that your data is collected, you need to organize it to identify characteristics and patterns.Graph your data appropriately. Construct a scatterplot, bar graph, or other graph to show the nature of the data. For each graph, be sure you label the graph completely – that means give it a title, label the axes, and explain what that graph means in the context of this narrative.Discuss whether the data is normally distributed. For this, use a visual inspection of athe type of data.Histogram and Normal Quantile Plot, as well as what you see in the data itself and what thatmeans about the high and low ends of the data.Calculate and present the three Measures of Central Tendency: mean, median, and mode.Provide both the value of the statistics as well as an analysis of what they mean in terms ofunderstanding the sample.Calculate and present the Measures of Variation: range and standard deviation. Provide boththe value of the statistics as well as an analysis of what they mean in terms of understandingthe sample.Calculate and present the 5-Number Summary: minimum, Q1, median, Q3, maximum.Provide both the value of the statistics as well as an analysis of what they mean in terms ofunderstanding the sample.Identify any Outliers. You can do this using a visual inspection of the graph as well as theformulas from the textbook (HINT: Q1 - 1.5*IQR, and Q3 + 1.5*IQR).Discuss any corrections: Based on your inspection of the outliers are there any errors thatshould be corrected? How would you correct them? Discuss the implications of this result.Part 3: Analysis of Data - Examination of Inferential Statistics (tables of results, and appropriate hypothesis test steps)Assuming that all assumptions have been met, it is now time to analyze the data. Present a complete hypothesis test.Identify the claim.State the null and alternative hypotheses, in words and in symbolic form.Explain what type of test you will be performing (i.e. a test of two dependent means, a test forcorrelation, etc.) and why that test is appropriate to address the main question you are trying toanswer.Select the significance level and determine if it is a one or two-tailed test.Identify the test statistic and compute the value of the test statistic and the p-value.Make a decision of whether to Reject or Fail to Reject the null hypothesis.Restate your decision in nontechnical terms. That means, state your conclusion in a way thatanyone can understand; a final conclusion that just says “reject the null hypothesis” by itself without explanation is not helpful to those who hired you. Explain in ordinary terms what it means.Part 4: Conclusion and Recommendations (approximately 3 paragraphs)Summarize and explain your results. Provide recommendations.What can you infer from the statistics?What information might lead you to a different conclusion?What variables are missing?What additional information would be valuable to help draw a more certain conclusion?What qualitative or quantitative data would you want to collect if you were hired to do a followup study?Formatting RequirementsYour paper should be a Word document, with embedded charts, graphs, figures, and tables. It should be APA or MLA Format, with name and page number on each page, and should include each of the following:Title page: You should have a cover page. The cover page should have the specific title of your study (Note: “MATU 203 Paper” does not clearly define the topic you are presenting), your name, Brandman University, MATU 203, term, and year. You might find it helpful to include an image of something representative of the study to provide a visual context for your report.Write Up/Body: The body should be 5 - 8 pages with graphs, images, screen shots of data output, and text included. Please use a “page break” to separate the cover from the body and the references from the body and the appendices from the reference page.References: Please include all articles, books, websites, publications, or other information that helped you reach your conclusion. The references come after the main body and before the appendix. At least two references are required, not including the textbook.Appendices: You must have an appendix. The appendix goes at the end of your paper and might be an additional 1-2 pages. In the appendix, include your given data as well as supplemental charts and graphs outside of the ones included in your paper. Label the appendices, Appendix 1, Appendix 2, and so on.
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Most Popular Content
Make a two-way table that includes the marginal frequencies, math homework help
1. You randomly survey people in the mall about whether or not they
regularly use text messaging. The results are shown ...
Make a two-way table that includes the marginal frequencies, math homework help
1. You randomly survey people in the mall about whether or not they
regularly use text messaging. The results are shown in the tally sheets
below based on the people’s ages.Link to the tally sheets: http://www.intervisualtechnology.us/data/1/16381/textregular.jpga. Make a two-way table that includes the marginal frequencies.b. Make a two-way table that shows both the joint and marginal relative frequencies. Round to the nearest hundredth, if necessary.c. What is the probability that someone who is between the ages of 20-29 also texts regularly?d. What is the probability that someone who is between the ages of 40-49 also texts regularly?e. Does the data show a relationship between age and texting? Explain.2. The data below represents the number of hits on your web site over 10 months.a. Make a scatter plot of ln y versus x. Use the scatter plot to find the equation for the line of best fit.b. Make a scatter plot of ln y versus ln x. Use the scatter plot to find the equation for the line of best fit.c. Based on your answers in part a and b, would an exponential model or a power model be better to represent this data? Explain.d. Use your answers from parts a and b to find an exponential model and a power model to represent this data by hand.e. Use the regression feature on your calculator to find an exponential model and a power model to represent this data.f. Use your answer from parts c and d to make the best estimate for the number of hits your web site will have in 12 months.
MATH 160 Cuyamaca College Distribution of Sample Proportions Exam Practice
Prompt The National Health Survey uses household interviews to describe the health-related habits of U.S. adults. From th ...
MATH 160 Cuyamaca College Distribution of Sample Proportions Exam Practice
Prompt The National Health Survey uses household interviews to describe the health-related habits of U.S. adults. From these interviews they estimate population parameters associated with behaviors such as alcohol consumption, cigarette smoking, and hours of sleep for all U.S. adults. In the 2005-2007 report, they estimated that 30% of all current smokers started smoking before the age of 16. Imagine that we want to verify this estimate. So we randomly select a sample of 100 smokers and calculate the proportion who started smoking before the age of 16. How much error do we expect in the sample proportions if the 30% is correct for the population overall? Use the applet and a give an error based on 2 standard deviations. Here's the applet for the simulation: P= 0.5 n= 50 Run Simulation (5000 samples) Actual Sample proportion (p̂): 0.5
13 pages
Criminal Justice Policy Making
Ethics is one of the essential factors to be Focusing on the criminal gangs during the process of This is caused by the co ...
Criminal Justice Policy Making
Ethics is one of the essential factors to be Focusing on the criminal gangs during the process of This is caused by the complex nature of correctional
Brandman Level of Education and its Effect on Homelessness in Veterans Case Study
Hello, I need a paper on these 2 parts listed below . Notes from the professor Sociology – Level of Education and its Ef ...
Brandman Level of Education and its Effect on Homelessness in Veterans Case Study
Hello, I need a paper on these 2 parts listed below . Notes from the professor Sociology – Level of Education and its Effect on Homelessness in VeteransNOTES FROM MY PROFESSOR :-Use of APA (title page and reference page in APA) – double spacing in body of project-References included-Collection of Data Analyzed-Graphed data The paper will be about : At the very bottom, there is a picture attached with the graph info that was handed to us. Study #4: SociologyCalifornia Veteran Support, an agency delivering resources to support military veterans in California, wants to address the problem of veterans being homeless. To start, they want to determine whether or not there is a correlation between homelessness and other variables, such as education, crime, and mental illness, so that they can determine the most effective resources to offer. You are hired to specifically investigate whether or not there is a relationship between years of education, and length of time spent homeless.You receive a survey of responses from 31 homeless veterans from various cities in California. Each veteran responded to indicate how many months they have lived on the streets, as well as the grade they finished in school (one year of college would equal 13 years of school, 4 years of college would equal 16 years of school, and so on. Some veterans received a GED and had less than 12 years of formal education).Is there sufficient evidence to show that the years of education a veteran has received may affect the length of time that he or she is homeless? You are asked to organize and analyze this data, and present your results with a hypothesis test on whether or not there is a correlation between years of education and months spent homeless.Please present a report to the California Veteran Support directors that includes your data, results, and related evidence from national studies.Part 2: Organization of Data - Examination of Descriptive Statistics (graphs and tables, and approximately 4 paragraphs)Now that your data is collected, you need to organize it to identify characteristics and patterns.Graph your data appropriately. Construct a scatterplot, bar graph, or other graph to show the nature of the data. For each graph, be sure you label the graph completely – that means give it a title, label the axes, and explain what that graph means in the context of this narrative.Discuss whether the data is normally distributed. For this, use a visual inspection of athe type of data.Histogram and Normal Quantile Plot, as well as what you see in the data itself and what thatmeans about the high and low ends of the data.Calculate and present the three Measures of Central Tendency: mean, median, and mode.Provide both the value of the statistics as well as an analysis of what they mean in terms ofunderstanding the sample.Calculate and present the Measures of Variation: range and standard deviation. Provide boththe value of the statistics as well as an analysis of what they mean in terms of understandingthe sample.Calculate and present the 5-Number Summary: minimum, Q1, median, Q3, maximum.Provide both the value of the statistics as well as an analysis of what they mean in terms ofunderstanding the sample.Identify any Outliers. You can do this using a visual inspection of the graph as well as theformulas from the textbook (HINT: Q1 - 1.5*IQR, and Q3 + 1.5*IQR).Discuss any corrections: Based on your inspection of the outliers are there any errors thatshould be corrected? How would you correct them? Discuss the implications of this result.Part 3: Analysis of Data - Examination of Inferential Statistics (tables of results, and appropriate hypothesis test steps)Assuming that all assumptions have been met, it is now time to analyze the data. Present a complete hypothesis test.Identify the claim.State the null and alternative hypotheses, in words and in symbolic form.Explain what type of test you will be performing (i.e. a test of two dependent means, a test forcorrelation, etc.) and why that test is appropriate to address the main question you are trying toanswer.Select the significance level and determine if it is a one or two-tailed test.Identify the test statistic and compute the value of the test statistic and the p-value.Make a decision of whether to Reject or Fail to Reject the null hypothesis.Restate your decision in nontechnical terms. That means, state your conclusion in a way thatanyone can understand; a final conclusion that just says “reject the null hypothesis” by itself without explanation is not helpful to those who hired you. Explain in ordinary terms what it means.Part 4: Conclusion and Recommendations (approximately 3 paragraphs)Summarize and explain your results. Provide recommendations.What can you infer from the statistics?What information might lead you to a different conclusion?What variables are missing?What additional information would be valuable to help draw a more certain conclusion?What qualitative or quantitative data would you want to collect if you were hired to do a followup study?Formatting RequirementsYour paper should be a Word document, with embedded charts, graphs, figures, and tables. It should be APA or MLA Format, with name and page number on each page, and should include each of the following:Title page: You should have a cover page. The cover page should have the specific title of your study (Note: “MATU 203 Paper” does not clearly define the topic you are presenting), your name, Brandman University, MATU 203, term, and year. You might find it helpful to include an image of something representative of the study to provide a visual context for your report.Write Up/Body: The body should be 5 - 8 pages with graphs, images, screen shots of data output, and text included. Please use a “page break” to separate the cover from the body and the references from the body and the appendices from the reference page.References: Please include all articles, books, websites, publications, or other information that helped you reach your conclusion. The references come after the main body and before the appendix. At least two references are required, not including the textbook.Appendices: You must have an appendix. The appendix goes at the end of your paper and might be an additional 1-2 pages. In the appendix, include your given data as well as supplemental charts and graphs outside of the ones included in your paper. Label the appendices, Appendix 1, Appendix 2, and so on.
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